New, improved low impedance electrode. Size: .86″ (2.2 cm) round with pig tail connection. Choice of box of 10, 30, 50 or 100 treatment packets (four electrodes in each packet) with 1 set of Columbia 07 lead wires(connects to original VitalStim handheld and VitalStim Plus devices and Columbia pig tail electrodes). The electrode is FDA cleared for use with VitalStim devices and it is cleared for single patient, multiple application use. Each set of electrodes can be used up to 3 hours with proper skin prep and set up. Electrodes can be used with most NMES dysphagia devices.